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September Weather in Montanhas, Brazil

Last updated: August 22, 2025

In September, the average temperature in Montanhas, Brazil hovers around 25°C (77°F). Visitors can expect a minimum of 20°C (68°F) and a comfortable maximum of 31°C (88°F). With a precipitation amount of 33 mm (1.3 in) spread over 14 days, it's wise to pack an umbrella. The average humidity of 72% adds a touch of mugginess to the warm atmosphere, making it essential to stay hydrated while exploring!

September Temperature in Montanhas

In September in Montanhas, the average temperature is a pleasant 25°C (77°F). Maximum temperatures can soar to 31°C (88°F), while the minimum can dip to around 20°C (68°F). This mild climate makes Montanhas an ideal destination for outdoor activities and exploration during this time of year.

September Weather in Montanhas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Montanhas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montanhas, September typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec808180797877757677798080
Data source: Temperature data for Montanhas generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Montanhas

In Montanhas in September, the precipitation amount is 33 mm (1.3 in) over the course of 14 days.

September Precipitation Trends in Montanhas

The chart displays monthly precipitation patterns in Montanhas, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Montanhas, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4895137124115931143533272741
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montanhas

In Montanhas in September, humidity is 72%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration both vibrant and a bit taxing as you sweat slightly more and seek shade often while enjoying the scenery.

September Average Humidity in Montanhas

This chart illustrates the average monthly humidity levels in Montanhas, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Montanhas is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%90%89%90%86%80%77%72%68%66%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Montanhas

In Montanhas in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Montanhas.

Maximum UV Index Levels in Montanhas for September

The chart shows the monthly maximum UV Index (UVI) for Montanhas in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Montanhas typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111213131414
Data source: Montanhas September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Montanhas Compares to Other Months

Weather in Montanhas varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Montanhas, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Montanhas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)48 mm (1.9 inches)86%extreme
February Weather27°C (81°F)95 mm (3.7 inches)89%extreme
March Weather27°C (80°F)136 mm (5.4 inches)89%extreme
April Weather26°C (80°F)124 mm (4.9 inches)89%extreme
May Weather26°C (78°F)115 mm (4.5 inches)90%extreme
June Weather25°C (77°F)93 mm (3.7 inches)86%extreme
July Weather24°C (76°F)114 mm (4.5 inches)80%extreme
August Weather24°C (76°F)35 mm (1.4 inches)77%extreme
September Weather25°C (77°F)33 mm (1.3 inches)72%extreme
October Weather26°C (79°F)27 mm (1.1 inches)68%extreme
November Weather27°C (80°F)27 mm (1.0 inches)66%extreme
December Weather27°C (81°F)41 mm (1.6 inches)70%extreme

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